Fall2006MidtermAnswers - BRAE 239-01 Fall 2006 Midterm Name...

BRAE 239-01 Fall 2006 Midterm Name : _____KEY__________________ Given Formulas:Ct= 0.00000645(T-Ts)L D0.0014A.E.=1. 0.01 feet_____________ What was the smallest unit that could be directly read on the steel tapes we used in our first lab? 2. Tension Scale_________ What was the name of the tool we used to measure the amount of pull on the tape? 3. Range Pole___________ What was the name of the tool we used for general sighting, by placing it behind the monument we were taping to? 4. Hand Level___________ What is the name of the tool we used to determine if we were holding the tape level? 5. Plumb Bob___________ What is the name of the tool we used to transfer a point on the ground to the tape directly above the point? 6. Blunders_____________ Errors that are large and never adjusted out are called? 7. Random Errors________ Errors that are small and cancel each other out are what type? 8. Systematic Errors______ Errors that the magnitude and algebraic sign can be determined are? 9. 0.01 feet_____________ What is the smallest unit of measurement we can directly read on the rods we were using in our leveling labs? 10. Philadelphia Rod_______ What is the name of the rod we used in our leveling labs? 11. Infrared Fine__________ What mode must the EDM be in when the total station when taking a distance measurement to the Prism that is 100 feet away? 12. laser plummet_________ What is the name of the part of the total station that is used to set up over a point (It projects a red dot)? 13. Carlson ExplorerWhat is the name of the instrument that was connected to the Total Station to capture the readings?

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